Long before James Mattis was Secretary of Defense, he was a Marine general known throughout the Corps as a tough-talking, no-bullshit commander. But everyone has to start somewhere. So, if you’ve ever wondered what “Mad Dog” Mattis was like before he earned his nom de guerre from the media — his preferred nickname is reportedly his old callsign: CHAOS, meaning the Colonel Has An Outstanding Solution — you’re in luck.

Fox & Friends has had a string of interviews with high-profile figures close to President Donald Trump, who frequently tweets directly to the show. But there’s at least one person in Trump’s administration who seems reticent to go on the morning TV program: Secretary of Defense James Mattis.